test/jdk/java/text/Format/DateFormat/bug4358730.java

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import java.io.*;
import java.util.*;
import java.text.*;

/**
 * @test
 * @bug 4358730
 * @library /java/text/testlib
 * @summary test that confirms Zero-Padding on year.
 */

public class bug4358730 extends IntlTest {

    public static void main(String[] args) throws Exception {
        new bug4358730().run(args);
    }

    String[] patterns = {"y",    "yy", "yyy",  "yyyy", "yyyyy"};
    String[][] data = {
        /* 2 A.D. */    {"2",    "02", "002",  "0002", "00002"},
        /* 20 A.D. */   {"20",   "20", "020",  "0020", "00020"},
        /* 200 A.D. */  {"200",  "00", "200",  "0200", "00200"},
        /* 2000 A.D. */ {"2000", "00", "2000", "2000", "02000"},
    };
    int[] year = {2, 20, 200, 2000};

    int datasize = data.length;
    int nPatterns = data[0].length;

    public void Test4358730() {
        TimeZone saveZone = TimeZone.getDefault();
        Locale saveLocale = Locale.getDefault();

        try {
            TimeZone.setDefault(TimeZone.getTimeZone("PST"));
            Locale.setDefault(new Locale("en", "US"));
            SimpleDateFormat sdf = new SimpleDateFormat();

            for (int i = 0; i < datasize; i++) {
                @SuppressWarnings("deprecation")
                Date d = new Date(year[i]-1900, 10, 15);
                for (int j = 0; j < nPatterns; j++) {
                    sdf.applyPattern(patterns[j]);
                    if (!data[i][j].equals(sdf.format(d))) {
                        errln("Invalid format : " + sdf.format(d) +
                            ", expected : " + data[i][j]);
                    }
                }
            }
        }
        finally {
            TimeZone.setDefault(saveZone);
            Locale.setDefault(saveLocale);
        }
    }
}